University: Mahatma Gandhi University
Course: B.tech
Subject : Polymer Engineering polymers & environments
Year of Question Paper : 2014
Mahatma Gandhi University
Eighth Semester B Tech Degree Examination
Polymer Engineering
PO 010 801: Polymers & Environment
Max Marks : 100
Time : 3 Hrs
Part A
(Answer All)
1.Name commodity plastics commonly used for packaging.
2.Write on the difficulties associated with recycling of municipal waste.
3. What is meant by WTR. Write its significance?
4.Define enzyme mechanism associated with plastic biodegradation.
5. Compare recycling of Industrial and consumer plastic waste.
(5 X 3=15)
Part B
( Answer All)
6. Distinguish between chemical and physical recycling .
7. What is meant by SPI coding for plastic Identification?
8.Which are the factors that affect the functioning and activity of enzymes?
9. Explain the major resources for synthesis of plastic materials.
10. Compare the features of intracellular and extracellular biodegradation.
(5 X 5= 25)
Part C
( Answer all)
11. (a) Explain various advantages of using polymer products in comparison with metals
and ceramics.
OR
(b)Explain major global environmental issues with its causes and remedies.
12. (a)Explain various methods for sorting and segregation of mixed Plastic materials.
OR
(b)Compare and contrast between Physical and Chemical recycling. Explain with
examples.
13. (a) Explain Rubber reclamation, main features and applications.
OR
(b) Explain the scope of PET bottle recycling with all machinery required .
14. (a)Explain synthesis, processing and properties of Biopolyesters.
OR
(b)What are the advantages and disadvantages of using Biodegradable plastics .
15. (a)Explain different test methods used to evaluate Plastic Biodegradation.
OR
(b) Write notes on i) Starch based plastics ii) Intracellular and Extracellular
biodegradation.
(5 X 12= 60) ...
Course: B.tech
Subject : Polymer Engineering polymers & environments
Year of Question Paper : 2014
Mahatma Gandhi University
Eighth Semester B Tech Degree Examination
Polymer Engineering
PO 010 801: Polymers & Environment
Max Marks : 100
Time : 3 Hrs
Part A
(Answer All)
1.Name commodity plastics commonly used for packaging.
2.Write on the difficulties associated with recycling of municipal waste.
3. What is meant by WTR. Write its significance?
4.Define enzyme mechanism associated with plastic biodegradation.
5. Compare recycling of Industrial and consumer plastic waste.
(5 X 3=15)
Part B
( Answer All)
6. Distinguish between chemical and physical recycling .
7. What is meant by SPI coding for plastic Identification?
8.Which are the factors that affect the functioning and activity of enzymes?
9. Explain the major resources for synthesis of plastic materials.
10. Compare the features of intracellular and extracellular biodegradation.
(5 X 5= 25)
Part C
( Answer all)
11. (a) Explain various advantages of using polymer products in comparison with metals
and ceramics.
OR
(b)Explain major global environmental issues with its causes and remedies.
12. (a)Explain various methods for sorting and segregation of mixed Plastic materials.
OR
(b)Compare and contrast between Physical and Chemical recycling. Explain with
examples.
13. (a) Explain Rubber reclamation, main features and applications.
OR
(b) Explain the scope of PET bottle recycling with all machinery required .
14. (a)Explain synthesis, processing and properties of Biopolyesters.
OR
(b)What are the advantages and disadvantages of using Biodegradable plastics .
15. (a)Explain different test methods used to evaluate Plastic Biodegradation.
OR
(b) Write notes on i) Starch based plastics ii) Intracellular and Extracellular
biodegradation.
(5 X 12= 60) ...
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